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发明名称
GAS SHIELDED ARC WELDING METHOD
摘要
申请公布号
JPS57209778(A)
申请公布日期
1982.12.23
申请号
JP19810095349
申请日期
1981.06.22
申请人
HITACHI SEIKO KK
发明人
MITA TSUNEO;DEMURA MASAO
分类号
B23K9/16;B23K9/23
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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